This calculator computes the date of Easter for any year after 1582
AD. The program is operated by entering a calendar year that is greater
than 1582, and then pressing the Calculate button. All entries
are cleared by pressing the Clear button. If the year is not
in the valid range, the output windows will display: "Invalid
Year".
The Next Year button increments the calendar year and recomputes
the date of Easter. The Prev Year button decrements the calendar
year

For the year:

The date of Easter is:

Notes

The
date of Easter given here is the date used by the western Christian
churches. It is computed according to the rules established as part
of the Gregorian calendar reform in 1582. The Gregorian calendar
is the one now used worldwide for civil purposes.